How the change the outcome of a button press action in nRF51 DK using app_button?

Question

Hello! 
 I just want to change the outcome of Button 1 press action in my nRF 51 Dk. For example, instead of toggling led 1, I want to toggle pin 5. How to actually do that? I fiddled with the code, but up to now, no advance. 
 P.s.: I am using ble_app_hrs_c as my base code. 
 Thanks!!

Fávero · Accepted Answer

My solution: 
 What I did: 
 
 
 Searched in bsp_btn_ble.c the function advertising_buttons_configure(). 
 
 
 Commented line bsp_event_to_button_action_assign(BTN_ID_SLEEP, BTN_ACTION_SLEEP, BSP_EVENT_SLEEP);. Commenting this line will prevent led 1 from stop/start blinking - and the nRF51 DK to enter/exit sleep mode. 
 
 
 In main.c, function bsp_event_handler(), I expanded the switch statement to contain case BSP_EVENT_KEY_0. The BSP_EVENT_KEY_0 word is the default event passed to bsp_event_handler() when a button is pressed. So, the resulting code is: 
 
 
 /* ...before cases */ 
 case BSP_EVENT_KEY_0:

 nrf_gpio_cfg_output(5);

 nrf_gpio_pin_toggle(5);

 break; 
 
 /* ... after cases */ 
 It's a little unpolished code edit, but for a first approach/learning, its OK.

How the change the outcome of a button press action in nRF51 DK using app_button?

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